21189508326

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{168170701}}^1$

素因数の和:168170716

約数の個数: 24

約数和(自身を含む): 52469259024

約数和(自身を除く): 31279750698

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 168170701, 336341402, 504512103, 1009024206, 1177194907, 1513536309, 2354389814, 3027072618, 3531584721, 7063169442, 10594754163, 21189508326]

約数ペア:

[(1, 21189508326), (2, 10594754163), (3, 7063169442), (6, 3531584721), (7, 3027072618), (9, 2354389814), (14, 1513536309), (18, 1177194907), (21, 1009024206), (42, 504512103), (63, 336341402), (126, 168170701)]